Across the world, Gelfer (Gelfer 
, Гельфер 
) is a very rare gender-neutral forename. The given name Gelfer is characteristic of Peru, where it is a very rare principally boy's, but very seldom feminine name, and Philippines, where it is a very rare epicene name. More prevalently, Gelfer is the last name as well as the forename.
Mr, Lina, Liat, Liad, John, Jeff, Tana, Toni, Hila, Ilya, Idan, Itay, Igal, Olga, Oded, Yair, Yael, Yoav, Zack, Maina, Sandy, Sacha, Gita, Greg, Dina, Dawn, Max, Adi, Avi, Bar, Ron, Dan, Leo, Lev, Tal, Mary, Shane, Mark, Stav, Alex, Alan, Anna, Anne, Abby, Karl, Paul, Ruth, Danl, Stan, and Susan